Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.

Découvrez comment partager les avantages d’un abonnement Microsoft 365 Famille avec cinq autres personnes. Gérez les invitations, les appareils et les personnes avec qui vous partagez Office.

SafeSearch helps keep adult content out of your search results. There are different ways you can turn on SafeSearch: For individual accounts, choose SafeSearch options on the Settings page.

Learn more about update KB4534310, including improvements and fixes, any known issues, and how to get the update.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

A bookmark in Word marks a place that you want to find again easily. You can enter as many bookmarks as you want in your document or Outlook message, and give each one a unique name so they’re easy to identify.

OneDrive for Business provides one place to store, share and sync your work or school files.

重要: 关闭Microsoft帐户时，你的电子邮件和联系人将从我们的服务器中删除，无法恢复。如果将Microsoft帐户用于 Xbox、Skype、OneDrive 或其他Microsoft服务，则你将无法再访问这些服务。 你还将无法访问任何保存的 BitLocker 恢复密钥。

You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts.